NM2C TROUBLESHOOTING GUIDE (continued)
GUIDE 10: Ventilator Inoperative
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
START
CONTACT NAD
SERVICE DEPT.
UNIT IS
FUNCTIONAL
DOES UNIT
PASS PMS?
PERFORM A
COMPLETE PMS
ON UNIT
IS VENTILATOR
WORKING
PROPERLY?
REINSTALL ORIGINAL
VALVE AND
GUIDE ASSEMBLY
IS VENTILATOR
WORKING
PROPERLY?
REINSTALL ORIGINAL
VENTILATOR CONTROLLER
---------------------------------------
REPLACE VALVE AND
GUIDE ASSEMBLY AS
OUTLINED IN SECTION 4
IS VENTILATOR
WORKING
PROPERLY?
CHECK CABLES AND TUBING
CONNECTIONS AT VENTILATOR
CONTROLLER, REPLACE
CONTROLLER ASSEMBLY AS
OUTLINED IN SECTION 4
CHECK WIRE HARNESS FROM
ALARM CHANNEL J3, CABLE
FROM POWER SUPPLY J2
TO ALARM CHANNEL J4,
CHECK POWER SUPPLY,
REPLACE DEFECTIVE ASSEMBLY
IS 8V
POWER PRESENT
AT J2 ON VENTILATOR
CONTROLLER?
IS VENTILATOR
WORKING
PROPERLY?
VERIFY CORRECT BREATHING
HOSE AND SCAVENGER
HOSE CONNECTIONS TO
BELLOWS ASSEMBLY
CHECK CYLINDER AND
PIPELINE SUPPLIES FOR
ADEQUATE O2 PRESSURE
VERIFY CORRECT SETTINGS:
VENTILATOR SWITCH ON,
INSP. FLOW, FREQUENCY,
I:E RATIO, TIDAL VOLUME,
PRESS. LIMIT CONTROL
IS VENTILATOR
WORKING
PROPERLY?
3-13
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